these 5 derivations will be built:
  /nix/store/5xg4qqnr9h9h6mdszfnvd1b57lf9pv0n-clan-runtime.drv
  /nix/store/w8hsyyv85c66v0bpvrn55xgf34w3iq4n-clan-cli-source.drv
  /nix/store/2vzxxw7ixqigdrz5xk1bqh7h5j78gf29-clan-cli.drv
  /nix/store/nxvm5fhc483hqpq0ixwkxsiypi7xsp4s-closure-info.drv
  /nix/store/vi85izg1m81vm7adap870gw6qpizgp4a-check-vars.drv
error: path '/nix/store/07w6bs4vq2k2a0qqq6347imyrlafnfvv-check-vars' is not valid
error: Cannot build '/nix/store/vi85izg1m81vm7adap870gw6qpizgp4a-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/07w6bs4vq2k2a0qqq6347imyrlafnfvv-check-vars